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diff --git a/server/model/monitor.js b/server/model/monitor.js
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+++ b/server/model/monitor.js
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+const dayjs = require("dayjs");
+const axios = require("axios");
+const { Prometheus } = require("../prometheus");
+const { log, UP, DOWN, PENDING, MAINTENANCE, flipStatus, MAX_INTERVAL_SECOND, MIN_INTERVAL_SECOND,
+ SQL_DATETIME_FORMAT, evaluateJsonQuery
+} = require("../../src/util");
+const { tcping, ping, checkCertificate, checkStatusCode, getTotalClientInRoom, setting, mssqlQuery, postgresQuery, mysqlQuery, setSetting, httpNtlm, radius, grpcQuery,
+ redisPingAsync, kafkaProducerAsync, getOidcTokenClientCredentials, rootCertificatesFingerprints, axiosAbortSignal
+} = require("../util-server");
+const { R } = require("redbean-node");
+const { BeanModel } = require("redbean-node/dist/bean-model");
+const { Notification } = require("../notification");
+const { Proxy } = require("../proxy");
+const { demoMode } = require("../config");
+const version = require("../../package.json").version;
+const apicache = require("../modules/apicache");
+const { UptimeKumaServer } = require("../uptime-kuma-server");
+const { DockerHost } = require("../docker");
+const Gamedig = require("gamedig");
+const jwt = require("jsonwebtoken");
+const crypto = require("crypto");
+const { UptimeCalculator } = require("../uptime-calculator");
+const { CookieJar } = require("tough-cookie");
+const { HttpsCookieAgent } = require("http-cookie-agent/http");
+const https = require("https");
+const http = require("http");
+
+const rootCertificates = rootCertificatesFingerprints();
+
+/**
+ * status:
+ * 0 = DOWN
+ * 1 = UP
+ * 2 = PENDING
+ * 3 = MAINTENANCE
+ */
+class Monitor extends BeanModel {
+
+ /**
+ * Return an object that ready to parse to JSON for public Only show
+ * necessary data to public
+ * @param {boolean} showTags Include tags in JSON
+ * @param {boolean} certExpiry Include certificate expiry info in
+ * JSON
+ * @returns {Promise<object>} Object ready to parse
+ */
+ async toPublicJSON(showTags = false, certExpiry = false) {
+ let obj = {
+ id: this.id,
+ name: this.name,
+ sendUrl: this.sendUrl,
+ type: this.type,
+ };
+
+ if (this.sendUrl) {
+ obj.url = this.url;
+ }
+
+ if (showTags) {
+ obj.tags = await this.getTags();
+ }
+
+ if (certExpiry && (this.type === "http" || this.type === "keyword" || this.type === "json-query") && this.getURLProtocol() === "https:") {
+ const { certExpiryDaysRemaining, validCert } = await this.getCertExpiry(this.id);
+ obj.certExpiryDaysRemaining = certExpiryDaysRemaining;
+ obj.validCert = validCert;
+ }
+
+ return obj;
+ }
+
+ /**
+ * Return an object that ready to parse to JSON
+ * @param {object} preloadData to prevent n+1 problems, we query the data in a batch outside of this function
+ * @param {boolean} includeSensitiveData Include sensitive data in
+ * JSON
+ * @returns {object} Object ready to parse
+ */
+ toJSON(preloadData = {}, includeSensitiveData = true) {
+
+ let screenshot = null;
+
+ if (this.type === "real-browser") {
+ screenshot = "/screenshots/" + jwt.sign(this.id, UptimeKumaServer.getInstance().jwtSecret) + ".png";
+ }
+
+ const path = preloadData.paths.get(this.id) || [];
+ const pathName = path.join(" / ");
+
+ let data = {
+ id: this.id,
+ name: this.name,
+ description: this.description,
+ path,
+ pathName,
+ parent: this.parent,
+ childrenIDs: preloadData.childrenIDs.get(this.id) || [],
+ url: this.url,
+ method: this.method,
+ hostname: this.hostname,
+ port: this.port,
+ maxretries: this.maxretries,
+ weight: this.weight,
+ active: preloadData.activeStatus.get(this.id),
+ forceInactive: preloadData.forceInactive.get(this.id),
+ type: this.type,
+ timeout: this.timeout,
+ interval: this.interval,
+ retryInterval: this.retryInterval,
+ resendInterval: this.resendInterval,
+ keyword: this.keyword,
+ invertKeyword: this.isInvertKeyword(),
+ expiryNotification: this.isEnabledExpiryNotification(),
+ ignoreTls: this.getIgnoreTls(),
+ upsideDown: this.isUpsideDown(),
+ packetSize: this.packetSize,
+ maxredirects: this.maxredirects,
+ accepted_statuscodes: this.getAcceptedStatuscodes(),
+ dns_resolve_type: this.dns_resolve_type,
+ dns_resolve_server: this.dns_resolve_server,
+ dns_last_result: this.dns_last_result,
+ docker_container: this.docker_container,
+ docker_host: this.docker_host,
+ proxyId: this.proxy_id,
+ notificationIDList: preloadData.notifications.get(this.id) || {},
+ tags: preloadData.tags.get(this.id) || [],
+ maintenance: preloadData.maintenanceStatus.get(this.id),
+ mqttTopic: this.mqttTopic,
+ mqttSuccessMessage: this.mqttSuccessMessage,
+ mqttCheckType: this.mqttCheckType,
+ databaseQuery: this.databaseQuery,
+ authMethod: this.authMethod,
+ grpcUrl: this.grpcUrl,
+ grpcProtobuf: this.grpcProtobuf,
+ grpcMethod: this.grpcMethod,
+ grpcServiceName: this.grpcServiceName,
+ grpcEnableTls: this.getGrpcEnableTls(),
+ radiusCalledStationId: this.radiusCalledStationId,
+ radiusCallingStationId: this.radiusCallingStationId,
+ game: this.game,
+ gamedigGivenPortOnly: this.getGameDigGivenPortOnly(),
+ httpBodyEncoding: this.httpBodyEncoding,
+ jsonPath: this.jsonPath,
+ expectedValue: this.expectedValue,
+ kafkaProducerTopic: this.kafkaProducerTopic,
+ kafkaProducerBrokers: JSON.parse(this.kafkaProducerBrokers),
+ kafkaProducerSsl: this.getKafkaProducerSsl(),
+ kafkaProducerAllowAutoTopicCreation: this.getKafkaProducerAllowAutoTopicCreation(),
+ kafkaProducerMessage: this.kafkaProducerMessage,
+ screenshot,
+ cacheBust: this.getCacheBust(),
+ remote_browser: this.remote_browser,
+ snmpOid: this.snmpOid,
+ jsonPathOperator: this.jsonPathOperator,
+ snmpVersion: this.snmpVersion,
+ rabbitmqNodes: JSON.parse(this.rabbitmqNodes),
+ conditions: JSON.parse(this.conditions),
+ };
+
+ if (includeSensitiveData) {
+ data = {
+ ...data,
+ headers: this.headers,
+ body: this.body,
+ grpcBody: this.grpcBody,
+ grpcMetadata: this.grpcMetadata,
+ basic_auth_user: this.basic_auth_user,
+ basic_auth_pass: this.basic_auth_pass,
+ oauth_client_id: this.oauth_client_id,
+ oauth_client_secret: this.oauth_client_secret,
+ oauth_token_url: this.oauth_token_url,
+ oauth_scopes: this.oauth_scopes,
+ oauth_auth_method: this.oauth_auth_method,
+ pushToken: this.pushToken,
+ databaseConnectionString: this.databaseConnectionString,
+ radiusUsername: this.radiusUsername,
+ radiusPassword: this.radiusPassword,
+ radiusSecret: this.radiusSecret,
+ mqttUsername: this.mqttUsername,
+ mqttPassword: this.mqttPassword,
+ authWorkstation: this.authWorkstation,
+ authDomain: this.authDomain,
+ tlsCa: this.tlsCa,
+ tlsCert: this.tlsCert,
+ tlsKey: this.tlsKey,
+ kafkaProducerSaslOptions: JSON.parse(this.kafkaProducerSaslOptions),
+ rabbitmqUsername: this.rabbitmqUsername,
+ rabbitmqPassword: this.rabbitmqPassword,
+ };
+ }
+
+ data.includeSensitiveData = includeSensitiveData;
+ return data;
+ }
+
+ /**
+ * Get all tags applied to this monitor
+ * @returns {Promise<LooseObject<any>[]>} List of tags on the
+ * monitor
+ */
+ async getTags() {
+ return await R.getAll("SELECT mt.*, tag.name, tag.color FROM monitor_tag mt JOIN tag ON mt.tag_id = tag.id WHERE mt.monitor_id = ? ORDER BY tag.name", [ this.id ]);
+ }
+
+ /**
+ * Gets certificate expiry for this monitor
+ * @param {number} monitorID ID of monitor to send
+ * @returns {Promise<LooseObject<any>>} Certificate expiry info for
+ * monitor
+ */
+ async getCertExpiry(monitorID) {
+ let tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+ monitorID,
+ ]);
+ let tlsInfo;
+ if (tlsInfoBean) {
+ tlsInfo = JSON.parse(tlsInfoBean?.info_json);
+ if (tlsInfo?.valid && tlsInfo?.certInfo?.daysRemaining) {
+ return {
+ certExpiryDaysRemaining: tlsInfo.certInfo.daysRemaining,
+ validCert: true
+ };
+ }
+ }
+ return {
+ certExpiryDaysRemaining: "",
+ validCert: false
+ };
+ }
+
+ /**
+ * Encode user and password to Base64 encoding
+ * for HTTP "basic" auth, as per RFC-7617
+ * @param {string|null} user - The username (nullable if not changed by a user)
+ * @param {string|null} pass - The password (nullable if not changed by a user)
+ * @returns {string} Encoded Base64 string
+ */
+ encodeBase64(user, pass) {
+ return Buffer.from(`${user || ""}:${pass || ""}`).toString("base64");
+ }
+
+ /**
+ * Is the TLS expiry notification enabled?
+ * @returns {boolean} Enabled?
+ */
+ isEnabledExpiryNotification() {
+ return Boolean(this.expiryNotification);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Should TLS errors be ignored?
+ */
+ getIgnoreTls() {
+ return Boolean(this.ignoreTls);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Is the monitor in upside down mode?
+ */
+ isUpsideDown() {
+ return Boolean(this.upsideDown);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Invert keyword match?
+ */
+ isInvertKeyword() {
+ return Boolean(this.invertKeyword);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Enable TLS for gRPC?
+ */
+ getGrpcEnableTls() {
+ return Boolean(this.grpcEnableTls);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} if cachebusting is enabled
+ */
+ getCacheBust() {
+ return Boolean(this.cacheBust);
+ }
+
+ /**
+ * Get accepted status codes
+ * @returns {object} Accepted status codes
+ */
+ getAcceptedStatuscodes() {
+ return JSON.parse(this.accepted_statuscodes_json);
+ }
+
+ /**
+ * Get if game dig should only use the port which was provided
+ * @returns {boolean} gamedig should only use the provided port
+ */
+ getGameDigGivenPortOnly() {
+ return Boolean(this.gamedigGivenPortOnly);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Kafka Producer Ssl enabled?
+ */
+ getKafkaProducerSsl() {
+ return Boolean(this.kafkaProducerSsl);
+ }
+
+ /**
+ * Parse to boolean
+ * @returns {boolean} Kafka Producer Allow Auto Topic Creation Enabled?
+ */
+ getKafkaProducerAllowAutoTopicCreation() {
+ return Boolean(this.kafkaProducerAllowAutoTopicCreation);
+ }
+
+ /**
+ * Start monitor
+ * @param {Server} io Socket server instance
+ * @returns {Promise<void>}
+ */
+ async start(io) {
+ let previousBeat = null;
+ let retries = 0;
+
+ this.prometheus = new Prometheus(this);
+
+ const beat = async () => {
+
+ let beatInterval = this.interval;
+
+ if (! beatInterval) {
+ beatInterval = 1;
+ }
+
+ if (demoMode) {
+ if (beatInterval < 20) {
+ console.log("beat interval too low, reset to 20s");
+ beatInterval = 20;
+ }
+ }
+
+ // Expose here for prometheus update
+ // undefined if not https
+ let tlsInfo = undefined;
+
+ if (!previousBeat || this.type === "push") {
+ previousBeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
+ this.id,
+ ]);
+ if (previousBeat) {
+ retries = previousBeat.retries;
+ }
+ }
+
+ const isFirstBeat = !previousBeat;
+
+ let bean = R.dispense("heartbeat");
+ bean.monitor_id = this.id;
+ bean.time = R.isoDateTimeMillis(dayjs.utc());
+ bean.status = DOWN;
+ bean.downCount = previousBeat?.downCount || 0;
+
+ if (this.isUpsideDown()) {
+ bean.status = flipStatus(bean.status);
+ }
+
+ // Runtime patch timeout if it is 0
+ // See https://github.com/louislam/uptime-kuma/pull/3961#issuecomment-1804149144
+ if (!this.timeout || this.timeout <= 0) {
+ this.timeout = this.interval * 1000 * 0.8;
+ }
+
+ try {
+ if (await Monitor.isUnderMaintenance(this.id)) {
+ bean.msg = "Monitor under maintenance";
+ bean.status = MAINTENANCE;
+ } else if (this.type === "group") {
+ const children = await Monitor.getChildren(this.id);
+
+ if (children.length > 0) {
+ bean.status = UP;
+ bean.msg = "All children up and running";
+ for (const child of children) {
+ if (!child.active) {
+ // Ignore inactive childs
+ continue;
+ }
+ const lastBeat = await Monitor.getPreviousHeartbeat(child.id);
+
+ // Only change state if the monitor is in worse conditions then the ones before
+ // lastBeat.status could be null
+ if (!lastBeat) {
+ bean.status = PENDING;
+ } else if (bean.status === UP && (lastBeat.status === PENDING || lastBeat.status === DOWN)) {
+ bean.status = lastBeat.status;
+ } else if (bean.status === PENDING && lastBeat.status === DOWN) {
+ bean.status = lastBeat.status;
+ }
+ }
+
+ if (bean.status !== UP) {
+ bean.msg = "Child inaccessible";
+ }
+ } else {
+ // Set status pending if group is empty
+ bean.status = PENDING;
+ bean.msg = "Group empty";
+ }
+
+ } else if (this.type === "http" || this.type === "keyword" || this.type === "json-query") {
+ // Do not do any queries/high loading things before the "bean.ping"
+ let startTime = dayjs().valueOf();
+
+ // HTTP basic auth
+ let basicAuthHeader = {};
+ if (this.auth_method === "basic") {
+ basicAuthHeader = {
+ "Authorization": "Basic " + this.encodeBase64(this.basic_auth_user, this.basic_auth_pass),
+ };
+ }
+
+ // OIDC: Basic client credential flow.
+ // Additional grants might be implemented in the future
+ let oauth2AuthHeader = {};
+ if (this.auth_method === "oauth2-cc") {
+ try {
+ if (this.oauthAccessToken === undefined || new Date(this.oauthAccessToken.expires_at * 1000) <= new Date()) {
+ this.oauthAccessToken = await this.makeOidcTokenClientCredentialsRequest();
+ }
+ oauth2AuthHeader = {
+ "Authorization": this.oauthAccessToken.token_type + " " + this.oauthAccessToken.access_token,
+ };
+ } catch (e) {
+ throw new Error("The oauth config is invalid. " + e.message);
+ }
+ }
+
+ const httpsAgentOptions = {
+ maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
+ rejectUnauthorized: !this.getIgnoreTls(),
+ secureOptions: crypto.constants.SSL_OP_LEGACY_SERVER_CONNECT,
+ };
+
+ log.debug("monitor", `[${this.name}] Prepare Options for axios`);
+
+ let contentType = null;
+ let bodyValue = null;
+
+ if (this.body && (typeof this.body === "string" && this.body.trim().length > 0)) {
+ if (!this.httpBodyEncoding || this.httpBodyEncoding === "json") {
+ try {
+ bodyValue = JSON.parse(this.body);
+ contentType = "application/json";
+ } catch (e) {
+ throw new Error("Your JSON body is invalid. " + e.message);
+ }
+ } else if (this.httpBodyEncoding === "form") {
+ bodyValue = this.body;
+ contentType = "application/x-www-form-urlencoded";
+ } else if (this.httpBodyEncoding === "xml") {
+ bodyValue = this.body;
+ contentType = "text/xml; charset=utf-8";
+ }
+ }
+
+ // Axios Options
+ const options = {
+ url: this.url,
+ method: (this.method || "get").toLowerCase(),
+ timeout: this.timeout * 1000,
+ headers: {
+ "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
+ ...(contentType ? { "Content-Type": contentType } : {}),
+ ...(basicAuthHeader),
+ ...(oauth2AuthHeader),
+ ...(this.headers ? JSON.parse(this.headers) : {})
+ },
+ maxRedirects: this.maxredirects,
+ validateStatus: (status) => {
+ return checkStatusCode(status, this.getAcceptedStatuscodes());
+ },
+ signal: axiosAbortSignal((this.timeout + 10) * 1000),
+ };
+
+ if (bodyValue) {
+ options.data = bodyValue;
+ }
+
+ if (this.cacheBust) {
+ const randomFloatString = Math.random().toString(36);
+ const cacheBust = randomFloatString.substring(2);
+ options.params = {
+ uptime_kuma_cachebuster: cacheBust,
+ };
+ }
+
+ if (this.proxy_id) {
+ const proxy = await R.load("proxy", this.proxy_id);
+
+ if (proxy && proxy.active) {
+ const { httpAgent, httpsAgent } = Proxy.createAgents(proxy, {
+ httpsAgentOptions: httpsAgentOptions,
+ });
+
+ options.proxy = false;
+ options.httpAgent = httpAgent;
+ options.httpsAgent = httpsAgent;
+ }
+ }
+
+ if (!options.httpsAgent) {
+ let jar = new CookieJar();
+ let httpsCookieAgentOptions = {
+ ...httpsAgentOptions,
+ cookies: { jar }
+ };
+ options.httpsAgent = new HttpsCookieAgent(httpsCookieAgentOptions);
+ }
+
+ if (this.auth_method === "mtls") {
+ if (this.tlsCert !== null && this.tlsCert !== "") {
+ options.httpsAgent.options.cert = Buffer.from(this.tlsCert);
+ }
+ if (this.tlsCa !== null && this.tlsCa !== "") {
+ options.httpsAgent.options.ca = Buffer.from(this.tlsCa);
+ }
+ if (this.tlsKey !== null && this.tlsKey !== "") {
+ options.httpsAgent.options.key = Buffer.from(this.tlsKey);
+ }
+ }
+
+ let tlsInfo = {};
+ // Store tlsInfo when secureConnect event is emitted
+ // The keylog event listener is a workaround to access the tlsSocket
+ options.httpsAgent.once("keylog", async (line, tlsSocket) => {
+ tlsSocket.once("secureConnect", async () => {
+ tlsInfo = checkCertificate(tlsSocket);
+ tlsInfo.valid = tlsSocket.authorized || false;
+
+ await this.handleTlsInfo(tlsInfo);
+ });
+ });
+
+ log.debug("monitor", `[${this.name}] Axios Options: ${JSON.stringify(options)}`);
+ log.debug("monitor", `[${this.name}] Axios Request`);
+
+ // Make Request
+ let res = await this.makeAxiosRequest(options);
+
+ bean.msg = `${res.status} - ${res.statusText}`;
+ bean.ping = dayjs().valueOf() - startTime;
+
+ // fallback for if kelog event is not emitted, but we may still have tlsInfo,
+ // e.g. if the connection is made through a proxy
+ if (this.getUrl()?.protocol === "https:" && tlsInfo.valid === undefined) {
+ const tlsSocket = res.request.res.socket;
+
+ if (tlsSocket) {
+ tlsInfo = checkCertificate(tlsSocket);
+ tlsInfo.valid = tlsSocket.authorized || false;
+
+ await this.handleTlsInfo(tlsInfo);
+ }
+ }
+
+ if (process.env.UPTIME_KUMA_LOG_RESPONSE_BODY_MONITOR_ID === this.id) {
+ log.info("monitor", res.data);
+ }
+
+ if (this.type === "http") {
+ bean.status = UP;
+ } else if (this.type === "keyword") {
+
+ let data = res.data;
+
+ // Convert to string for object/array
+ if (typeof data !== "string") {
+ data = JSON.stringify(data);
+ }
+
+ let keywordFound = data.includes(this.keyword);
+ if (keywordFound === !this.isInvertKeyword()) {
+ bean.msg += ", keyword " + (keywordFound ? "is" : "not") + " found";
+ bean.status = UP;
+ } else {
+ data = data.replace(/<[^>]*>?|[\n\r]|\s+/gm, " ").trim();
+ if (data.length > 50) {
+ data = data.substring(0, 47) + "...";
+ }
+ throw new Error(bean.msg + ", but keyword is " +
+ (keywordFound ? "present" : "not") + " in [" + data + "]");
+ }
+
+ } else if (this.type === "json-query") {
+ let data = res.data;
+
+ const { status, response } = await evaluateJsonQuery(data, this.jsonPath, this.jsonPathOperator, this.expectedValue);
+
+ if (status) {
+ bean.status = UP;
+ bean.msg = `JSON query passes (comparing ${response} ${this.jsonPathOperator} ${this.expectedValue})`;
+ } else {
+ throw new Error(`JSON query does not pass (comparing ${response} ${this.jsonPathOperator} ${this.expectedValue})`);
+ }
+
+ }
+
+ } else if (this.type === "port") {
+ bean.ping = await tcping(this.hostname, this.port);
+ bean.msg = "";
+ bean.status = UP;
+
+ } else if (this.type === "ping") {
+ bean.ping = await ping(this.hostname, this.packetSize);
+ bean.msg = "";
+ bean.status = UP;
+ } else if (this.type === "push") { // Type: Push
+ log.debug("monitor", `[${this.name}] Checking monitor at ${dayjs().format("YYYY-MM-DD HH:mm:ss.SSS")}`);
+ const bufferTime = 1000; // 1s buffer to accommodate clock differences
+
+ if (previousBeat) {
+ const msSinceLastBeat = dayjs.utc().valueOf() - dayjs.utc(previousBeat.time).valueOf();
+
+ log.debug("monitor", `[${this.name}] msSinceLastBeat = ${msSinceLastBeat}`);
+
+ // If the previous beat was down or pending we use the regular
+ // beatInterval/retryInterval in the setTimeout further below
+ if (previousBeat.status !== (this.isUpsideDown() ? DOWN : UP) || msSinceLastBeat > beatInterval * 1000 + bufferTime) {
+ bean.duration = Math.round(msSinceLastBeat / 1000);
+ throw new Error("No heartbeat in the time window");
+ } else {
+ let timeout = beatInterval * 1000 - msSinceLastBeat;
+ if (timeout < 0) {
+ timeout = bufferTime;
+ } else {
+ timeout += bufferTime;
+ }
+ // No need to insert successful heartbeat for push type, so end here
+ retries = 0;
+ log.debug("monitor", `[${this.name}] timeout = ${timeout}`);
+ this.heartbeatInterval = setTimeout(safeBeat, timeout);
+ return;
+ }
+ } else {
+ bean.duration = beatInterval;
+ throw new Error("No heartbeat in the time window");
+ }
+
+ } else if (this.type === "steam") {
+ const steamApiUrl = "https://api.steampowered.com/IGameServersService/GetServerList/v1/";
+ const steamAPIKey = await setting("steamAPIKey");
+ const filter = `addr\\${this.hostname}:${this.port}`;
+
+ if (!steamAPIKey) {
+ throw new Error("Steam API Key not found");
+ }
+
+ let res = await axios.get(steamApiUrl, {
+ timeout: this.timeout * 1000,
+ headers: {
+ "Accept": "*/*",
+ },
+ httpsAgent: new https.Agent({
+ maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
+ rejectUnauthorized: !this.getIgnoreTls(),
+ secureOptions: crypto.constants.SSL_OP_LEGACY_SERVER_CONNECT,
+ }),
+ httpAgent: new http.Agent({
+ maxCachedSessions: 0,
+ }),
+ maxRedirects: this.maxredirects,
+ validateStatus: (status) => {
+ return checkStatusCode(status, this.getAcceptedStatuscodes());
+ },
+ params: {
+ filter: filter,
+ key: steamAPIKey,
+ }
+ });
+
+ if (res.data.response && res.data.response.servers && res.data.response.servers.length > 0) {
+ bean.status = UP;
+ bean.msg = res.data.response.servers[0].name;
+
+ try {
+ bean.ping = await ping(this.hostname, this.packetSize);
+ } catch (_) { }
+ } else {
+ throw new Error("Server not found on Steam");
+ }
+ } else if (this.type === "gamedig") {
+ try {
+ const state = await Gamedig.query({
+ type: this.game,
+ host: this.hostname,
+ port: this.port,
+ givenPortOnly: this.getGameDigGivenPortOnly(),
+ });
+
+ bean.msg = state.name;
+ bean.status = UP;
+ bean.ping = state.ping;
+ } catch (e) {
+ throw new Error(e.message);
+ }
+ } else if (this.type === "docker") {
+ log.debug("monitor", `[${this.name}] Prepare Options for Axios`);
+
+ const options = {
+ url: `/containers/${this.docker_container}/json`,
+ timeout: this.interval * 1000 * 0.8,
+ headers: {
+ "Accept": "*/*",
+ },
+ httpsAgent: new https.Agent({
+ maxCachedSessions: 0, // Use Custom agent to disable session reuse (https://github.com/nodejs/node/issues/3940)
+ rejectUnauthorized: !this.getIgnoreTls(),
+ secureOptions: crypto.constants.SSL_OP_LEGACY_SERVER_CONNECT,
+ }),
+ httpAgent: new http.Agent({
+ maxCachedSessions: 0,
+ }),
+ };
+
+ const dockerHost = await R.load("docker_host", this.docker_host);
+
+ if (!dockerHost) {
+ throw new Error("Failed to load docker host config");
+ }
+
+ if (dockerHost._dockerType === "socket") {
+ options.socketPath = dockerHost._dockerDaemon;
+ } else if (dockerHost._dockerType === "tcp") {
+ options.baseURL = DockerHost.patchDockerURL(dockerHost._dockerDaemon);
+ options.httpsAgent = new https.Agent(
+ DockerHost.getHttpsAgentOptions(dockerHost._dockerType, options.baseURL)
+ );
+ }
+
+ log.debug("monitor", `[${this.name}] Axios Request`);
+ let res = await axios.request(options);
+
+ if (res.data.State.Running) {
+ if (res.data.State.Health && res.data.State.Health.Status !== "healthy") {
+ bean.status = PENDING;
+ bean.msg = res.data.State.Health.Status;
+ } else {
+ bean.status = UP;
+ bean.msg = res.data.State.Health ? res.data.State.Health.Status : res.data.State.Status;
+ }
+ } else {
+ throw Error("Container State is " + res.data.State.Status);
+ }
+ } else if (this.type === "sqlserver") {
+ let startTime = dayjs().valueOf();
+
+ await mssqlQuery(this.databaseConnectionString, this.databaseQuery || "SELECT 1");
+
+ bean.msg = "";
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+ } else if (this.type === "grpc-keyword") {
+ let startTime = dayjs().valueOf();
+ const options = {
+ grpcUrl: this.grpcUrl,
+ grpcProtobufData: this.grpcProtobuf,
+ grpcServiceName: this.grpcServiceName,
+ grpcEnableTls: this.grpcEnableTls,
+ grpcMethod: this.grpcMethod,
+ grpcBody: this.grpcBody,
+ };
+ const response = await grpcQuery(options);
+ bean.ping = dayjs().valueOf() - startTime;
+ log.debug("monitor:", `gRPC response: ${JSON.stringify(response)}`);
+ let responseData = response.data;
+ if (responseData.length > 50) {
+ responseData = responseData.toString().substring(0, 47) + "...";
+ }
+ if (response.code !== 1) {
+ bean.status = DOWN;
+ bean.msg = `Error in send gRPC ${response.code} ${response.errorMessage}`;
+ } else {
+ let keywordFound = response.data.toString().includes(this.keyword);
+ if (keywordFound === !this.isInvertKeyword()) {
+ bean.status = UP;
+ bean.msg = `${responseData}, keyword [${this.keyword}] ${keywordFound ? "is" : "not"} found`;
+ } else {
+ log.debug("monitor:", `GRPC response [${response.data}] + ", but keyword [${this.keyword}] is ${keywordFound ? "present" : "not"} in [" + ${response.data} + "]"`);
+ bean.status = DOWN;
+ bean.msg = `, but keyword [${this.keyword}] is ${keywordFound ? "present" : "not"} in [" + ${responseData} + "]`;
+ }
+ }
+ } else if (this.type === "postgres") {
+ let startTime = dayjs().valueOf();
+
+ await postgresQuery(this.databaseConnectionString, this.databaseQuery || "SELECT 1");
+
+ bean.msg = "";
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+ } else if (this.type === "mysql") {
+ let startTime = dayjs().valueOf();
+
+ // Use `radius_password` as `password` field, since there are too many unnecessary fields
+ // TODO: rename `radius_password` to `password` later for general use
+ let mysqlPassword = this.radiusPassword;
+
+ bean.msg = await mysqlQuery(this.databaseConnectionString, this.databaseQuery || "SELECT 1", mysqlPassword);
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+ } else if (this.type === "radius") {
+ let startTime = dayjs().valueOf();
+
+ // Handle monitors that were created before the
+ // update and as such don't have a value for
+ // this.port.
+ let port;
+ if (this.port == null) {
+ port = 1812;
+ } else {
+ port = this.port;
+ }
+
+ const resp = await radius(
+ this.hostname,
+ this.radiusUsername,
+ this.radiusPassword,
+ this.radiusCalledStationId,
+ this.radiusCallingStationId,
+ this.radiusSecret,
+ port,
+ this.interval * 1000 * 0.4,
+ );
+
+ bean.msg = resp.code;
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+ } else if (this.type === "redis") {
+ let startTime = dayjs().valueOf();
+
+ bean.msg = await redisPingAsync(this.databaseConnectionString, !this.ignoreTls);
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+
+ } else if (this.type in UptimeKumaServer.monitorTypeList) {
+ let startTime = dayjs().valueOf();
+ const monitorType = UptimeKumaServer.monitorTypeList[this.type];
+ await monitorType.check(this, bean, UptimeKumaServer.getInstance());
+ if (!bean.ping) {
+ bean.ping = dayjs().valueOf() - startTime;
+ }
+
+ } else if (this.type === "kafka-producer") {
+ let startTime = dayjs().valueOf();
+
+ bean.msg = await kafkaProducerAsync(
+ JSON.parse(this.kafkaProducerBrokers),
+ this.kafkaProducerTopic,
+ this.kafkaProducerMessage,
+ {
+ allowAutoTopicCreation: this.kafkaProducerAllowAutoTopicCreation,
+ ssl: this.kafkaProducerSsl,
+ clientId: `Uptime-Kuma/${version}`,
+ interval: this.interval,
+ },
+ JSON.parse(this.kafkaProducerSaslOptions),
+ );
+ bean.status = UP;
+ bean.ping = dayjs().valueOf() - startTime;
+
+ } else {
+ throw new Error("Unknown Monitor Type");
+ }
+
+ if (this.isUpsideDown()) {
+ bean.status = flipStatus(bean.status);
+
+ if (bean.status === DOWN) {
+ throw new Error("Flip UP to DOWN");
+ }
+ }
+
+ retries = 0;
+
+ } catch (error) {
+
+ if (error?.name === "CanceledError") {
+ bean.msg = `timeout by AbortSignal (${this.timeout}s)`;
+ } else {
+ bean.msg = error.message;
+ }
+
+ // If UP come in here, it must be upside down mode
+ // Just reset the retries
+ if (this.isUpsideDown() && bean.status === UP) {
+ retries = 0;
+
+ } else if ((this.maxretries > 0) && (retries < this.maxretries)) {
+ retries++;
+ bean.status = PENDING;
+ } else {
+ // Continue counting retries during DOWN
+ retries++;
+ }
+ }
+
+ bean.retries = retries;
+
+ log.debug("monitor", `[${this.name}] Check isImportant`);
+ let isImportant = Monitor.isImportantBeat(isFirstBeat, previousBeat?.status, bean.status);
+
+ // Mark as important if status changed, ignore pending pings,
+ // Don't notify if disrupted changes to up
+ if (isImportant) {
+ bean.important = true;
+
+ if (Monitor.isImportantForNotification(isFirstBeat, previousBeat?.status, bean.status)) {
+ log.debug("monitor", `[${this.name}] sendNotification`);
+ await Monitor.sendNotification(isFirstBeat, this, bean);
+ } else {
+ log.debug("monitor", `[${this.name}] will not sendNotification because it is (or was) under maintenance`);
+ }
+
+ // Reset down count
+ bean.downCount = 0;
+
+ // Clear Status Page Cache
+ log.debug("monitor", `[${this.name}] apicache clear`);
+ apicache.clear();
+
+ await UptimeKumaServer.getInstance().sendMaintenanceListByUserID(this.user_id);
+
+ } else {
+ bean.important = false;
+
+ if (bean.status === DOWN && this.resendInterval > 0) {
+ ++bean.downCount;
+ if (bean.downCount >= this.resendInterval) {
+ // Send notification again, because we are still DOWN
+ log.debug("monitor", `[${this.name}] sendNotification again: Down Count: ${bean.downCount} | Resend Interval: ${this.resendInterval}`);
+ await Monitor.sendNotification(isFirstBeat, this, bean);
+
+ // Reset down count
+ bean.downCount = 0;
+ }
+ }
+ }
+
+ if (bean.status === UP) {
+ log.debug("monitor", `Monitor #${this.id} '${this.name}': Successful Response: ${bean.ping} ms | Interval: ${beatInterval} seconds | Type: ${this.type}`);
+ } else if (bean.status === PENDING) {
+ if (this.retryInterval > 0) {
+ beatInterval = this.retryInterval;
+ }
+ log.warn("monitor", `Monitor #${this.id} '${this.name}': Pending: ${bean.msg} | Max retries: ${this.maxretries} | Retry: ${retries} | Retry Interval: ${beatInterval} seconds | Type: ${this.type}`);
+ } else if (bean.status === MAINTENANCE) {
+ log.warn("monitor", `Monitor #${this.id} '${this.name}': Under Maintenance | Type: ${this.type}`);
+ } else {
+ log.warn("monitor", `Monitor #${this.id} '${this.name}': Failing: ${bean.msg} | Interval: ${beatInterval} seconds | Type: ${this.type} | Down Count: ${bean.downCount} | Resend Interval: ${this.resendInterval}`);
+ }
+
+ // Calculate uptime
+ let uptimeCalculator = await UptimeCalculator.getUptimeCalculator(this.id);
+ let endTimeDayjs = await uptimeCalculator.update(bean.status, parseFloat(bean.ping));
+ bean.end_time = R.isoDateTimeMillis(endTimeDayjs);
+
+ // Send to frontend
+ log.debug("monitor", `[${this.name}] Send to socket`);
+ io.to(this.user_id).emit("heartbeat", bean.toJSON());
+ Monitor.sendStats(io, this.id, this.user_id);
+
+ // Store to database
+ log.debug("monitor", `[${this.name}] Store`);
+ await R.store(bean);
+
+ log.debug("monitor", `[${this.name}] prometheus.update`);
+ this.prometheus?.update(bean, tlsInfo);
+
+ previousBeat = bean;
+
+ if (! this.isStop) {
+ log.debug("monitor", `[${this.name}] SetTimeout for next check.`);
+
+ let intervalRemainingMs = Math.max(
+ 1,
+ beatInterval * 1000 - dayjs().diff(dayjs.utc(bean.time))
+ );
+
+ log.debug("monitor", `[${this.name}] Next heartbeat in: ${intervalRemainingMs}ms`);
+
+ this.heartbeatInterval = setTimeout(safeBeat, intervalRemainingMs);
+ } else {
+ log.info("monitor", `[${this.name}] isStop = true, no next check.`);
+ }
+
+ };
+
+ /**
+ * Get a heartbeat and handle errors7
+ * @returns {void}
+ */
+ const safeBeat = async () => {
+ try {
+ await beat();
+ } catch (e) {
+ console.trace(e);
+ UptimeKumaServer.errorLog(e, false);
+ log.error("monitor", "Please report to https://github.com/louislam/uptime-kuma/issues");
+
+ if (! this.isStop) {
+ log.info("monitor", "Try to restart the monitor");
+ this.heartbeatInterval = setTimeout(safeBeat, this.interval * 1000);
+ }
+ }
+ };
+
+ // Delay Push Type
+ if (this.type === "push") {
+ setTimeout(() => {
+ safeBeat();
+ }, this.interval * 1000);
+ } else {
+ safeBeat();
+ }
+ }
+
+ /**
+ * Make a request using axios
+ * @param {object} options Options for Axios
+ * @param {boolean} finalCall Should this be the final call i.e
+ * don't retry on failure
+ * @returns {object} Axios response
+ */
+ async makeAxiosRequest(options, finalCall = false) {
+ try {
+ let res;
+ if (this.auth_method === "ntlm") {
+ options.httpsAgent.keepAlive = true;
+
+ res = await httpNtlm(options, {
+ username: this.basic_auth_user,
+ password: this.basic_auth_pass,
+ domain: this.authDomain,
+ workstation: this.authWorkstation ? this.authWorkstation : undefined
+ });
+ } else {
+ res = await axios.request(options);
+ }
+
+ return res;
+ } catch (error) {
+
+ /**
+ * Make a single attempt to obtain an new access token in the event that
+ * the recent api request failed for authentication purposes
+ */
+ if (this.auth_method === "oauth2-cc" && error.response.status === 401 && !finalCall) {
+ this.oauthAccessToken = await this.makeOidcTokenClientCredentialsRequest();
+ let oauth2AuthHeader = {
+ "Authorization": this.oauthAccessToken.token_type + " " + this.oauthAccessToken.access_token,
+ };
+ options.headers = { ...(options.headers),
+ ...(oauth2AuthHeader)
+ };
+
+ return this.makeAxiosRequest(options, true);
+ }
+
+ // Fix #2253
+ // Read more: https://stackoverflow.com/questions/1759956/curl-error-18-transfer-closed-with-outstanding-read-data-remaining
+ if (!finalCall && typeof error.message === "string" && error.message.includes("maxContentLength size of -1 exceeded")) {
+ log.debug("monitor", "makeAxiosRequest with gzip");
+ options.headers["Accept-Encoding"] = "gzip, deflate";
+ return this.makeAxiosRequest(options, true);
+ } else {
+ if (typeof error.message === "string" && error.message.includes("maxContentLength size of -1 exceeded")) {
+ error.message = "response timeout: incomplete response within a interval";
+ }
+ throw error;
+ }
+ }
+ }
+
+ /**
+ * Stop monitor
+ * @returns {Promise<void>}
+ */
+ async stop() {
+ clearTimeout(this.heartbeatInterval);
+ this.isStop = true;
+
+ this.prometheus?.remove();
+ }
+
+ /**
+ * Get prometheus instance
+ * @returns {Prometheus|undefined} Current prometheus instance
+ */
+ getPrometheus() {
+ return this.prometheus;
+ }
+
+ /**
+ * Helper Method:
+ * returns URL object for further usage
+ * returns null if url is invalid
+ * @returns {(null|URL)} Monitor URL
+ */
+ getUrl() {
+ try {
+ return new URL(this.url);
+ } catch (_) {
+ return null;
+ }
+ }
+
+ /**
+ * Example: http: or https:
+ * @returns {(null|string)} URL's protocol
+ */
+ getURLProtocol() {
+ const url = this.getUrl();
+ if (url) {
+ return this.getUrl().protocol;
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Store TLS info to database
+ * @param {object} checkCertificateResult Certificate to update
+ * @returns {Promise<object>} Updated certificate
+ */
+ async updateTlsInfo(checkCertificateResult) {
+ let tlsInfoBean = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+ this.id,
+ ]);
+
+ if (tlsInfoBean == null) {
+ tlsInfoBean = R.dispense("monitor_tls_info");
+ tlsInfoBean.monitor_id = this.id;
+ } else {
+
+ // Clear sent history if the cert changed.
+ try {
+ let oldCertInfo = JSON.parse(tlsInfoBean.info_json);
+
+ let isValidObjects = oldCertInfo && oldCertInfo.certInfo && checkCertificateResult && checkCertificateResult.certInfo;
+
+ if (isValidObjects) {
+ if (oldCertInfo.certInfo.fingerprint256 !== checkCertificateResult.certInfo.fingerprint256) {
+ log.debug("monitor", "Resetting sent_history");
+ await R.exec("DELETE FROM notification_sent_history WHERE type = 'certificate' AND monitor_id = ?", [
+ this.id
+ ]);
+ } else {
+ log.debug("monitor", "No need to reset sent_history");
+ log.debug("monitor", oldCertInfo.certInfo.fingerprint256);
+ log.debug("monitor", checkCertificateResult.certInfo.fingerprint256);
+ }
+ } else {
+ log.debug("monitor", "Not valid object");
+ }
+ } catch (e) { }
+
+ }
+
+ tlsInfoBean.info_json = JSON.stringify(checkCertificateResult);
+ await R.store(tlsInfoBean);
+
+ return checkCertificateResult;
+ }
+
+ /**
+ * Checks if the monitor is active based on itself and its parents
+ * @param {number} monitorID ID of monitor to send
+ * @param {boolean} active is active
+ * @returns {Promise<boolean>} Is the monitor active?
+ */
+ static async isActive(monitorID, active) {
+ const parentActive = await Monitor.isParentActive(monitorID);
+
+ return (active === 1) && parentActive;
+ }
+
+ /**
+ * Send statistics to clients
+ * @param {Server} io Socket server instance
+ * @param {number} monitorID ID of monitor to send
+ * @param {number} userID ID of user to send to
+ * @returns {void}
+ */
+ static async sendStats(io, monitorID, userID) {
+ const hasClients = getTotalClientInRoom(io, userID) > 0;
+ let uptimeCalculator = await UptimeCalculator.getUptimeCalculator(monitorID);
+
+ if (hasClients) {
+ // Send 24 hour average ping
+ let data24h = await uptimeCalculator.get24Hour();
+ io.to(userID).emit("avgPing", monitorID, (data24h.avgPing) ? Number(data24h.avgPing.toFixed(2)) : null);
+
+ // Send 24 hour uptime
+ io.to(userID).emit("uptime", monitorID, 24, data24h.uptime);
+
+ // Send 30 day uptime
+ let data30d = await uptimeCalculator.get30Day();
+ io.to(userID).emit("uptime", monitorID, 720, data30d.uptime);
+
+ // Send 1-year uptime
+ let data1y = await uptimeCalculator.get1Year();
+ io.to(userID).emit("uptime", monitorID, "1y", data1y.uptime);
+
+ // Send Cert Info
+ await Monitor.sendCertInfo(io, monitorID, userID);
+ } else {
+ log.debug("monitor", "No clients in the room, no need to send stats");
+ }
+ }
+
+ /**
+ * Send certificate information to client
+ * @param {Server} io Socket server instance
+ * @param {number} monitorID ID of monitor to send
+ * @param {number} userID ID of user to send to
+ * @returns {void}
+ */
+ static async sendCertInfo(io, monitorID, userID) {
+ let tlsInfo = await R.findOne("monitor_tls_info", "monitor_id = ?", [
+ monitorID,
+ ]);
+ if (tlsInfo != null) {
+ io.to(userID).emit("certInfo", monitorID, tlsInfo.info_json);
+ }
+ }
+
+ /**
+ * Has status of monitor changed since last beat?
+ * @param {boolean} isFirstBeat Is this the first beat of this monitor?
+ * @param {const} previousBeatStatus Status of the previous beat
+ * @param {const} currentBeatStatus Status of the current beat
+ * @returns {boolean} True if is an important beat else false
+ */
+ static isImportantBeat(isFirstBeat, previousBeatStatus, currentBeatStatus) {
+ // * ? -> ANY STATUS = important [isFirstBeat]
+ // UP -> PENDING = not important
+ // * UP -> DOWN = important
+ // UP -> UP = not important
+ // PENDING -> PENDING = not important
+ // * PENDING -> DOWN = important
+ // PENDING -> UP = not important
+ // DOWN -> PENDING = this case not exists
+ // DOWN -> DOWN = not important
+ // * DOWN -> UP = important
+ // MAINTENANCE -> MAINTENANCE = not important
+ // * MAINTENANCE -> UP = important
+ // * MAINTENANCE -> DOWN = important
+ // * DOWN -> MAINTENANCE = important
+ // * UP -> MAINTENANCE = important
+ return isFirstBeat ||
+ (previousBeatStatus === DOWN && currentBeatStatus === MAINTENANCE) ||
+ (previousBeatStatus === UP && currentBeatStatus === MAINTENANCE) ||
+ (previousBeatStatus === MAINTENANCE && currentBeatStatus === DOWN) ||
+ (previousBeatStatus === MAINTENANCE && currentBeatStatus === UP) ||
+ (previousBeatStatus === UP && currentBeatStatus === DOWN) ||
+ (previousBeatStatus === DOWN && currentBeatStatus === UP) ||
+ (previousBeatStatus === PENDING && currentBeatStatus === DOWN);
+ }
+
+ /**
+ * Is this beat important for notifications?
+ * @param {boolean} isFirstBeat Is this the first beat of this monitor?
+ * @param {const} previousBeatStatus Status of the previous beat
+ * @param {const} currentBeatStatus Status of the current beat
+ * @returns {boolean} True if is an important beat else false
+ */
+ static isImportantForNotification(isFirstBeat, previousBeatStatus, currentBeatStatus) {
+ // * ? -> ANY STATUS = important [isFirstBeat]
+ // UP -> PENDING = not important
+ // * UP -> DOWN = important
+ // UP -> UP = not important
+ // PENDING -> PENDING = not important
+ // * PENDING -> DOWN = important
+ // PENDING -> UP = not important
+ // DOWN -> PENDING = this case not exists
+ // DOWN -> DOWN = not important
+ // * DOWN -> UP = important
+ // MAINTENANCE -> MAINTENANCE = not important
+ // MAINTENANCE -> UP = not important
+ // * MAINTENANCE -> DOWN = important
+ // DOWN -> MAINTENANCE = not important
+ // UP -> MAINTENANCE = not important
+ return isFirstBeat ||
+ (previousBeatStatus === MAINTENANCE && currentBeatStatus === DOWN) ||
+ (previousBeatStatus === UP && currentBeatStatus === DOWN) ||
+ (previousBeatStatus === DOWN && currentBeatStatus === UP) ||
+ (previousBeatStatus === PENDING && currentBeatStatus === DOWN);
+ }
+
+ /**
+ * Send a notification about a monitor
+ * @param {boolean} isFirstBeat Is this beat the first of this monitor?
+ * @param {Monitor} monitor The monitor to send a notificaton about
+ * @param {Bean} bean Status information about monitor
+ * @returns {void}
+ */
+ static async sendNotification(isFirstBeat, monitor, bean) {
+ if (!isFirstBeat || bean.status === DOWN) {
+ const notificationList = await Monitor.getNotificationList(monitor);
+
+ let text;
+ if (bean.status === UP) {
+ text = "✅ Up";
+ } else {
+ text = "🔴 Down";
+ }
+
+ let msg = `[${monitor.name}] [${text}] ${bean.msg}`;
+
+ for (let notification of notificationList) {
+ try {
+ const heartbeatJSON = bean.toJSON();
+ const monitorData = [{ id: monitor.id,
+ active: monitor.active
+ }];
+ const preloadData = await Monitor.preparePreloadData(monitorData);
+ // Prevent if the msg is undefined, notifications such as Discord cannot send out.
+ if (!heartbeatJSON["msg"]) {
+ heartbeatJSON["msg"] = "N/A";
+ }
+
+ // Also provide the time in server timezone
+ heartbeatJSON["timezone"] = await UptimeKumaServer.getInstance().getTimezone();
+ heartbeatJSON["timezoneOffset"] = UptimeKumaServer.getInstance().getTimezoneOffset();
+ heartbeatJSON["localDateTime"] = dayjs.utc(heartbeatJSON["time"]).tz(heartbeatJSON["timezone"]).format(SQL_DATETIME_FORMAT);
+
+ await Notification.send(JSON.parse(notification.config), msg, monitor.toJSON(preloadData, false), heartbeatJSON);
+ } catch (e) {
+ log.error("monitor", "Cannot send notification to " + notification.name);
+ log.error("monitor", e);
+ }
+ }
+ }
+ }
+
+ /**
+ * Get list of notification providers for a given monitor
+ * @param {Monitor} monitor Monitor to get notification providers for
+ * @returns {Promise<LooseObject<any>[]>} List of notifications
+ */
+ static async getNotificationList(monitor) {
+ let notificationList = await R.getAll("SELECT notification.* FROM notification, monitor_notification WHERE monitor_id = ? AND monitor_notification.notification_id = notification.id ", [
+ monitor.id,
+ ]);
+ return notificationList;
+ }
+
+ /**
+ * checks certificate chain for expiring certificates
+ * @param {object} tlsInfoObject Information about certificate
+ * @returns {void}
+ */
+ async checkCertExpiryNotifications(tlsInfoObject) {
+ if (tlsInfoObject && tlsInfoObject.certInfo && tlsInfoObject.certInfo.daysRemaining) {
+ const notificationList = await Monitor.getNotificationList(this);
+
+ if (! notificationList.length > 0) {
+ // fail fast. If no notification is set, all the following checks can be skipped.
+ log.debug("monitor", "No notification, no need to send cert notification");
+ return;
+ }
+
+ let notifyDays = await setting("tlsExpiryNotifyDays");
+ if (notifyDays == null || !Array.isArray(notifyDays)) {
+ // Reset Default
+ await setSetting("tlsExpiryNotifyDays", [ 7, 14, 21 ], "general");
+ notifyDays = [ 7, 14, 21 ];
+ }
+
+ if (Array.isArray(notifyDays)) {
+ for (const targetDays of notifyDays) {
+ let certInfo = tlsInfoObject.certInfo;
+ while (certInfo) {
+ let subjectCN = certInfo.subject["CN"];
+ if (rootCertificates.has(certInfo.fingerprint256)) {
+ log.debug("monitor", `Known root cert: ${certInfo.certType} certificate "${subjectCN}" (${certInfo.daysRemaining} days valid) on ${targetDays} deadline.`);
+ break;
+ } else if (certInfo.daysRemaining > targetDays) {
+ log.debug("monitor", `No need to send cert notification for ${certInfo.certType} certificate "${subjectCN}" (${certInfo.daysRemaining} days valid) on ${targetDays} deadline.`);
+ } else {
+ log.debug("monitor", `call sendCertNotificationByTargetDays for ${targetDays} deadline on certificate ${subjectCN}.`);
+ await this.sendCertNotificationByTargetDays(subjectCN, certInfo.certType, certInfo.daysRemaining, targetDays, notificationList);
+ }
+ certInfo = certInfo.issuerCertificate;
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Send a certificate notification when certificate expires in less
+ * than target days
+ * @param {string} certCN Common Name attribute from the certificate subject
+ * @param {string} certType certificate type
+ * @param {number} daysRemaining Number of days remaining on certificate
+ * @param {number} targetDays Number of days to alert after
+ * @param {LooseObject<any>[]} notificationList List of notification providers
+ * @returns {Promise<void>}
+ */
+ async sendCertNotificationByTargetDays(certCN, certType, daysRemaining, targetDays, notificationList) {
+
+ let row = await R.getRow("SELECT * FROM notification_sent_history WHERE type = ? AND monitor_id = ? AND days <= ?", [
+ "certificate",
+ this.id,
+ targetDays,
+ ]);
+
+ // Sent already, no need to send again
+ if (row) {
+ log.debug("monitor", "Sent already, no need to send again");
+ return;
+ }
+
+ let sent = false;
+ log.debug("monitor", "Send certificate notification");
+
+ for (let notification of notificationList) {
+ try {
+ log.debug("monitor", "Sending to " + notification.name);
+ await Notification.send(JSON.parse(notification.config), `[${this.name}][${this.url}] ${certType} certificate ${certCN} will be expired in ${daysRemaining} days`);
+ sent = true;
+ } catch (e) {
+ log.error("monitor", "Cannot send cert notification to " + notification.name);
+ log.error("monitor", e);
+ }
+ }
+
+ if (sent) {
+ await R.exec("INSERT INTO notification_sent_history (type, monitor_id, days) VALUES(?, ?, ?)", [
+ "certificate",
+ this.id,
+ targetDays,
+ ]);
+ }
+ }
+
+ /**
+ * Get the status of the previous heartbeat
+ * @param {number} monitorID ID of monitor to check
+ * @returns {Promise<LooseObject<any>>} Previous heartbeat
+ */
+ static async getPreviousHeartbeat(monitorID) {
+ return await R.findOne("heartbeat", " id = (select MAX(id) from heartbeat where monitor_id = ?)", [
+ monitorID
+ ]);
+ }
+
+ /**
+ * Check if monitor is under maintenance
+ * @param {number} monitorID ID of monitor to check
+ * @returns {Promise<boolean>} Is the monitor under maintenance
+ */
+ static async isUnderMaintenance(monitorID) {
+ const maintenanceIDList = await R.getCol(`
+ SELECT maintenance_id FROM monitor_maintenance
+ WHERE monitor_id = ?
+ `, [ monitorID ]);
+
+ for (const maintenanceID of maintenanceIDList) {
+ const maintenance = await UptimeKumaServer.getInstance().getMaintenance(maintenanceID);
+ if (maintenance && await maintenance.isUnderMaintenance()) {
+ return true;
+ }
+ }
+
+ const parent = await Monitor.getParent(monitorID);
+ if (parent != null) {
+ return await Monitor.isUnderMaintenance(parent.id);
+ }
+
+ return false;
+ }
+
+ /**
+ * Make sure monitor interval is between bounds
+ * @returns {void}
+ * @throws Interval is outside of range
+ */
+ validate() {
+ if (this.interval > MAX_INTERVAL_SECOND) {
+ throw new Error(`Interval cannot be more than ${MAX_INTERVAL_SECOND} seconds`);
+ }
+ if (this.interval < MIN_INTERVAL_SECOND) {
+ throw new Error(`Interval cannot be less than ${MIN_INTERVAL_SECOND} seconds`);
+ }
+ }
+
+ /**
+ * Gets monitor notification of multiple monitor
+ * @param {Array} monitorIDs IDs of monitor to get
+ * @returns {Promise<LooseObject<any>>} object
+ */
+ static async getMonitorNotification(monitorIDs) {
+ return await R.getAll(`
+ SELECT monitor_notification.monitor_id, monitor_notification.notification_id
+ FROM monitor_notification
+ WHERE monitor_notification.monitor_id IN (${monitorIDs.map((_) => "?").join(",")})
+ `, monitorIDs);
+ }
+
+ /**
+ * Gets monitor tags of multiple monitor
+ * @param {Array} monitorIDs IDs of monitor to get
+ * @returns {Promise<LooseObject<any>>} object
+ */
+ static async getMonitorTag(monitorIDs) {
+ return await R.getAll(`
+ SELECT monitor_tag.monitor_id, monitor_tag.tag_id, tag.name, tag.color
+ FROM monitor_tag
+ JOIN tag ON monitor_tag.tag_id = tag.id
+ WHERE monitor_tag.monitor_id IN (${monitorIDs.map((_) => "?").join(",")})
+ `, monitorIDs);
+ }
+
+ /**
+ * prepare preloaded data for efficient access
+ * @param {Array} monitorData IDs & active field of monitor to get
+ * @returns {Promise<LooseObject<any>>} object
+ */
+ static async preparePreloadData(monitorData) {
+
+ const notificationsMap = new Map();
+ const tagsMap = new Map();
+ const maintenanceStatusMap = new Map();
+ const childrenIDsMap = new Map();
+ const activeStatusMap = new Map();
+ const forceInactiveMap = new Map();
+ const pathsMap = new Map();
+
+ if (monitorData.length > 0) {
+ const monitorIDs = monitorData.map(monitor => monitor.id);
+ const notifications = await Monitor.getMonitorNotification(monitorIDs);
+ const tags = await Monitor.getMonitorTag(monitorIDs);
+ const maintenanceStatuses = await Promise.all(monitorData.map(monitor => Monitor.isUnderMaintenance(monitor.id)));
+ const childrenIDs = await Promise.all(monitorData.map(monitor => Monitor.getAllChildrenIDs(monitor.id)));
+ const activeStatuses = await Promise.all(monitorData.map(monitor => Monitor.isActive(monitor.id, monitor.active)));
+ const forceInactiveStatuses = await Promise.all(monitorData.map(monitor => Monitor.isParentActive(monitor.id)));
+ const paths = await Promise.all(monitorData.map(monitor => Monitor.getAllPath(monitor.id, monitor.name)));
+
+ notifications.forEach(row => {
+ if (!notificationsMap.has(row.monitor_id)) {
+ notificationsMap.set(row.monitor_id, {});
+ }
+ notificationsMap.get(row.monitor_id)[row.notification_id] = true;
+ });
+
+ tags.forEach(row => {
+ if (!tagsMap.has(row.monitor_id)) {
+ tagsMap.set(row.monitor_id, []);
+ }
+ tagsMap.get(row.monitor_id).push({
+ tag_id: row.tag_id,
+ name: row.name,
+ color: row.color
+ });
+ });
+
+ monitorData.forEach((monitor, index) => {
+ maintenanceStatusMap.set(monitor.id, maintenanceStatuses[index]);
+ });
+
+ monitorData.forEach((monitor, index) => {
+ childrenIDsMap.set(monitor.id, childrenIDs[index]);
+ });
+
+ monitorData.forEach((monitor, index) => {
+ activeStatusMap.set(monitor.id, activeStatuses[index]);
+ });
+
+ monitorData.forEach((monitor, index) => {
+ forceInactiveMap.set(monitor.id, !forceInactiveStatuses[index]);
+ });
+
+ monitorData.forEach((monitor, index) => {
+ pathsMap.set(monitor.id, paths[index]);
+ });
+ }
+
+ return {
+ notifications: notificationsMap,
+ tags: tagsMap,
+ maintenanceStatus: maintenanceStatusMap,
+ childrenIDs: childrenIDsMap,
+ activeStatus: activeStatusMap,
+ forceInactive: forceInactiveMap,
+ paths: pathsMap,
+ };
+ }
+
+ /**
+ * Gets Parent of the monitor
+ * @param {number} monitorID ID of monitor to get
+ * @returns {Promise<LooseObject<any>>} Parent
+ */
+ static async getParent(monitorID) {
+ return await R.getRow(`
+ SELECT parent.* FROM monitor parent
+ LEFT JOIN monitor child
+ ON child.parent = parent.id
+ WHERE child.id = ?
+ `, [
+ monitorID,
+ ]);
+ }
+
+ /**
+ * Gets all Children of the monitor
+ * @param {number} monitorID ID of monitor to get
+ * @returns {Promise<LooseObject<any>>} Children
+ */
+ static async getChildren(monitorID) {
+ return await R.getAll(`
+ SELECT * FROM monitor
+ WHERE parent = ?
+ `, [
+ monitorID,
+ ]);
+ }
+
+ /**
+ * Gets the full path
+ * @param {number} monitorID ID of the monitor to get
+ * @param {string} name of the monitor to get
+ * @returns {Promise<string[]>} Full path (includes groups and the name) of the monitor
+ */
+ static async getAllPath(monitorID, name) {
+ const path = [ name ];
+
+ if (this.parent === null) {
+ return path;
+ }
+
+ let parent = await Monitor.getParent(monitorID);
+ while (parent !== null) {
+ path.unshift(parent.name);
+ parent = await Monitor.getParent(parent.id);
+ }
+
+ return path;
+ }
+
+ /**
+ * Gets recursive all child ids
+ * @param {number} monitorID ID of the monitor to get
+ * @returns {Promise<Array>} IDs of all children
+ */
+ static async getAllChildrenIDs(monitorID) {
+ const childs = await Monitor.getChildren(monitorID);
+
+ if (childs === null) {
+ return [];
+ }
+
+ let childrenIDs = [];
+
+ for (const child of childs) {
+ childrenIDs.push(child.id);
+ childrenIDs = childrenIDs.concat(await Monitor.getAllChildrenIDs(child.id));
+ }
+
+ return childrenIDs;
+ }
+
+ /**
+ * Unlinks all children of the group monitor
+ * @param {number} groupID ID of group to remove children of
+ * @returns {Promise<void>}
+ */
+ static async unlinkAllChildren(groupID) {
+ return await R.exec("UPDATE `monitor` SET parent = ? WHERE parent = ? ", [
+ null, groupID
+ ]);
+ }
+
+ /**
+ * Checks recursive if parent (ancestors) are active
+ * @param {number} monitorID ID of the monitor to get
+ * @returns {Promise<boolean>} Is the parent monitor active?
+ */
+ static async isParentActive(monitorID) {
+ const parent = await Monitor.getParent(monitorID);
+
+ if (parent === null) {
+ return true;
+ }
+
+ const parentActive = await Monitor.isParentActive(parent.id);
+ return parent.active && parentActive;
+ }
+
+ /**
+ * Obtains a new Oidc Token
+ * @returns {Promise<object>} OAuthProvider client
+ */
+ async makeOidcTokenClientCredentialsRequest() {
+ log.debug("monitor", `[${this.name}] The oauth access-token undefined or expired. Requesting a new token`);
+ const oAuthAccessToken = await getOidcTokenClientCredentials(this.oauth_token_url, this.oauth_client_id, this.oauth_client_secret, this.oauth_scopes, this.oauth_auth_method);
+ if (this.oauthAccessToken?.expires_at) {
+ log.debug("monitor", `[${this.name}] Obtained oauth access-token. Expires at ${new Date(this.oauthAccessToken?.expires_at * 1000)}`);
+ } else {
+ log.debug("monitor", `[${this.name}] Obtained oauth access-token. Time until expiry was not provided`);
+ }
+
+ return oAuthAccessToken;
+ }
+
+ /**
+ * Store TLS certificate information and check for expiry
+ * @param {object} tlsInfo Information about the TLS connection
+ * @returns {Promise<void>}
+ */
+ async handleTlsInfo(tlsInfo) {
+ await this.updateTlsInfo(tlsInfo);
+ this.prometheus?.update(null, tlsInfo);
+
+ if (!this.getIgnoreTls() && this.isEnabledExpiryNotification()) {
+ log.debug("monitor", `[${this.name}] call checkCertExpiryNotifications`);
+ await this.checkCertExpiryNotifications(tlsInfo);
+ }
+ }
+}
+
+module.exports = Monitor;